What is code-mode?
code-mode is a Claude Code mod by gabe4coding that code mode for MCP: the model writes one JavaScript program that calls MCP tools in a sandbox, instead of one tool call per step. It is listed under Security and has 7 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | gabe4coding |
| Repository | gabe4coding/claude-code-mode |
| Popularity | 7 GitHub stars |
| Category | Security |
| Security | High risk (44/100) |
| Rank | #577 of 5,272 Claude Code mods; #76 in Security |
| License | MIT |
| Last commit | 2026-10-16 |
| Hooks | 4 events |
| Sees | ? calls, Bash calls, Edit calls, NotebookEdit calls, Write calls, every tool call |
| Draws on | ToolResult, AbovePrompt |
Is code-mode safe to install?
code-mode scores 44/100 on the MCPMods security check: High risk. Things to review: sends data over the network; starts processes outside the sandbox; writes files or config; reads environment variables. It passed 2 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| Sends data over the network | Review |
| Starts processes outside the sandbox | Review |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.now | |
$.clock.sleep | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.mcp.call | calls MCP servers |
$.model.classify | drives Claude |
$.process.run | runs processes |
$.process.spawn | |
$.session.cwd | |
$.session.id | |
$.session.root | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.keys | keeps its own state |
$.store.set | keeps its own state |
$.tool.call | drives Claude |
$.tool.check | |
$.tool.list | |
$.tool.register | drives Claude |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.resolve | draws interface |
How do I install code-mode?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/gabe4coding/claude-code-mode claude plugin validate ./claude-code-mode/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add gabe4coding/claude-code-mode && claude plugin install code-mode@claude-code-mode
Or ask Claude to set it up
Paste this into Claude Code and it installs code-mode for you:
Install the "code-mode" Claude Code mod from https://github.com/gabe4coding/claude-code-mode. Run claude plugin validate on it first and show me what it can access before you enable it.